var phoneWidth = parseInt(window.screen.width); var phoneScale = phoneWidth/640; var ua = navigator.userAgent; if (/Android (d+.d+)/.test(ua)){ var version = parseFloat(RegExp.$1); // andriod 2.3 if(version>2.3){ document.write('<meta name="viewport" content="width=640, minimum-scale = '+phoneScale+', maximum-scale = '+phoneScale+', target-densitydpi=device-dpi">'); // andriod 2.3以上 }else{ document.write('<meta name="viewport" content="width=640, target-densitydpi=device-dpi">'); } // 其他系统 } else { document.write('<meta name="viewport" content="width=640, user-scalable=no, target-densitydpi=device-dpi">'); } //微信去掉下方刷新栏 if(RegExp("MicroMessenger").test(navigator.userAgent)){ document.addEventListener('WeixinJSBridgeReady', function onBridgeReady() { WeixinJSBridge.call('hideToolbar'); }); }